66761320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 156499200

約数和(自身を除く): 89737880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 571, 632, 740, 790, 1142, 1480, 1580, 2284, 2855, 2923, 3160, 4568, 5710, 5846, 11420, 11692, 14615, 21127, 22840, 23384, 29230, 42254, 45109, 58460, 84508, 90218, 105635, 116920, 169016, 180436, 211270, 225545, 360872, 422540, 451090, 845080, 902180, 1669033, 1804360, 3338066, 6676132, 8345165, 13352264, 16690330, 33380660, 66761320]

約数ペア:

[(1, 66761320), (2, 33380660), (4, 16690330), (5, 13352264), (8, 8345165), (10, 6676132), (20, 3338066), (37, 1804360), (40, 1669033), (74, 902180), (79, 845080), (148, 451090), (158, 422540), (185, 360872), (296, 225545), (316, 211270), (370, 180436), (395, 169016), (571, 116920), (632, 105635), (740, 90218), (790, 84508), (1142, 58460), (1480, 45109), (1580, 42254), (2284, 29230), (2855, 23384), (2923, 22840), (3160, 21127), (4568, 14615), (5710, 11692), (5846, 11420)]